package com.jzkj.zsqxkq.config;


import org.aspectj.lang.annotation.Aspect;
import org.springframework.aop.Advisor;
import org.springframework.aop.aspectj.AspectJExpressionPointcut;
import org.springframework.aop.support.DefaultPointcutAdvisor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.interceptor.*;

import java.util.Collections;
import java.util.HashMap;
import java.util.Map;

/**
 * @Date: 2019/12/16 10:56 description: 声明式事务的切面事务
 */
@Aspect
@Configuration
public class TxAdviceInterceptor {

    /**
     * 超时时间 单位秒
     */
    private static final int TX_METHOD_TIMEOUT = 600;

    private static final String AOP_POINTCUT_EXPRESSION = "execution (* com.rocket.bedroom.service..*(..))";

    @Autowired
    private PlatformTransactionManager transactionManager;

    @Bean
    public TransactionInterceptor txAdvice() {
        NameMatchTransactionAttributeSource source = new NameMatchTransactionAttributeSource();

        // 只读事务，不做更新操作
        RuleBasedTransactionAttribute readOnlyTx = new RuleBasedTransactionAttribute();
        readOnlyTx.setReadOnly(true);
        readOnlyTx.setPropagationBehavior(TransactionDefinition.PROPAGATION_NOT_SUPPORTED);
        // 当前存在事务就使用当前事务，当前不存在事务就创建一个新的事务
        RuleBasedTransactionAttribute requiredTx = new RuleBasedTransactionAttribute();
        requiredTx.setRollbackRules(Collections.singletonList(new RollbackRuleAttribute(Exception.class)));
        requiredTx.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);
        requiredTx.setTimeout(TX_METHOD_TIMEOUT);
        Map<String, TransactionAttribute> txMap = new HashMap<>();
        txMap.put("add*", requiredTx);
        txMap.put("save*", requiredTx);
        txMap.put("insert*", requiredTx);
        txMap.put("update*", requiredTx);
        txMap.put("modify*", requiredTx);
        txMap.put("delete*", requiredTx);

        // 消息发送的几个方法单独开一下事务
        txMap.put("send*", requiredTx);
        txMap.put("im*", requiredTx);
        txMap.put("reply*", requiredTx);
        // ---

        txMap.put("get*", readOnlyTx);
        txMap.put("find*", readOnlyTx);
        txMap.put("select*", readOnlyTx);
        txMap.put("query*", readOnlyTx);
        txMap.put("page*", readOnlyTx);
        txMap.put("has*", readOnlyTx);
        source.setNameMap(txMap);
        TransactionInterceptor txAdvice = new TransactionInterceptor(transactionManager, source);
        return txAdvice;
    }

    @Bean
    public Advisor txAdviceAdvisor() {
        AspectJExpressionPointcut pointcut = new AspectJExpressionPointcut();
        pointcut.setExpression(AOP_POINTCUT_EXPRESSION);
        return new DefaultPointcutAdvisor(pointcut, txAdvice());
    }

//    @Bean
//    public SessionFactory sessionFactory(HibernateEntityManagerFactory hemf) {
//        return hemf.getSessionFactory();
//    }
}
